Dental accessory device



FIG. 1 is a perspective view of a dental accessory device showing my new design;

FIG. 2 is a front elevation view thereof.

FIG. 3 is a left-side elevation view thereof.

FIG. 4 is a bottom plan view thereof.

FIG. 5 is a rear elevation view thereof.

FIG. 6 is a right-side elevation view thereof; and,

FIG. 7 is a top plan view thereof. 

The ornamental design for a dental accessory device, as shown and described. 